686 questions please

[SteveJewels]

What is the width of a target trigger on a 686?

Is there a list somewhere of dates of production based on serial number? AJM82XX

Does that also indicate options like sights, trigger, and so on?

Thanks!

 

[diecidecimi]

DOB 1986.
Trigger = .312" smooth combat or .400" serrated target

 

[SteveJewels]

Thank you @diecidecimi